Feature: 1. The output voltage is + 3.3V + 5V ?12V + 12V + 5V, controlled by toggle switch. 2. The second switch can be used on the front panel, and the 2 pins are shorted to turn on the power. 3. +5vsb is a backup power supply, which is available and can be used for backup control circuits. 4. Wide range of applications, suitable for some power amplifier boards, other electronic equipment, etc. 5. Small size, easy to carry and store, convenient to use and with good performance. Specification: Item Type: Power Supply Module Model: ZJ-012 Input Interface: Computer power supply ATX20Pin or 24Pin Output Voltage: +3.3V +5V -12V +12V +5Vsb Control Mode: Toggle switch or second switch (can be drawn) The Second Switch: Can be used for the front panel, short two pins to turn on the power Auxiliary Voltage: +5Vsb is the standby power supply, which is available when the power is powered on, and can be used for standby control circuits Application: Suitable for power amplifier boards, other electronic equipment, etc. Size: Approx. 70mm / 2.8in 63mm / 2.5in 57mm / 2.2in Package List: 1 x Power Supply Module Note: This adapter board is only used for power extraction, please do not exceed the power supply during actual use to avoid damage to the power supply.